11542124403 has 10 divisors (see below), whose sum is σ = 17241939044. Its totient is φ = 7694749548.

The previous prime is 11542124369. The next prime is 11542124413. The reversal of 11542124403 is 30442124511.

11542124403 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 212 + 440 + 3 = 666.

It is not a de Polignac number, because 11542124403 - 2⁸ = 11542124147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11542124413) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 71247601 + ... + 71247762.

Almost surely, 2^11542124403 is an apocalyptic number.

11542124403 is a deficient number, since it is larger than the sum of its proper divisors (5699814641).

11542124403 is an equidigital number, since it uses as much as digits as its factorization.

11542124403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142495375 (or 142495366 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 11542124403 its reverse (30442124511), we get a palindrome (41984248914).

The spelling of 11542124403 in words is "eleven billion, five hundred forty-two million, one hundred twenty-four thousand, four hundred three".